diff options
Diffstat (limited to 'sys/arch/amd64')
| -rw-r--r-- | sys/arch/amd64/amd64/proc_machdep.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/sys/arch/amd64/amd64/proc_machdep.c b/sys/arch/amd64/amd64/proc_machdep.c index 7609379..ee38f21 100644 --- a/sys/arch/amd64/amd64/proc_machdep.c +++ b/sys/arch/amd64/amd64/proc_machdep.c @@ -38,6 +38,20 @@ #include <vm/map.h> #include <string.h> +void +setregs(struct proc *td, struct exec_prog *prog, uintptr_t stack) +{ + struct trapframe *tfp = &td->tf; + struct auxval *auxvalp = &prog->auxval; + + memset(tfp, 0, sizeof(*tfp)); + tfp->rip = auxvalp->at_entry; + tfp->cs = USER_CS | 3; + tfp->ss = USER_DS | 3; + tfp->rsp = stack; + tfp->rflags = 0x202; +} + /* * MD thread init code * |